TODAY IN HISTORY
Delaware became the first state to ratify the U.S. Constitution.
The New York Philharmonic performed its first concert.
During World War I, the United States declared war on Austria-Hungary.
Japan launched a surprise attack on the U.S. Navy base at Pearl Harbor in Hawaii; the raid, which claimed some 2,400 American lives, prompted the U.S. to declare war against Japan.
America’s last moon mission to date was launched as Apollo 17 blasted off from Cape Canaveral, Florida.